Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10829614 | Composition, composition for downhole tools, degradable rubber member for downhole, downhole tool, and method for well drilling | Takuma Kobayashi, Hikaru Saijo, Takeo Takahashi | 2020-11-10 |
| 10815362 | Composition, composition for downhole tools, degradable rubber member for downhole, downhole tool, and method for well drilling | Takuma Kobayashi, Hikaru Saijo, Takeo Takahashi | 2020-10-27 |
| 10759097 | Molded article and use of same | Takahiro Watanabe, Hiroyuki Sato, Yoshinori Suzuki | 2020-09-01 |
| 10738561 | Stock shape for downhole tool component, downhole tool component, and downhole tool | Masayuki Okura, Takeo Takahashi | 2020-08-11 |